With its stuccoed ornamental facade and handsome courtyard, this 16th-century mannerist palazzo is home to one of Rome's most celebrated optical illusions. Francesco Borromini's Prospettiva appears to be a lengthy colonnaded gallery leading to a life-size statue. In fact, the corridor is only about 10m long, and the sculpture, which was a later addition, is less than hip-height.
Upstairs, a small four-room gallery houses the Spada family art collection with works by Tintoretto, Guercino, Annibale Carracci and Artemisia Gentileschi.
